5Brackley KJ,Ramsay MM,Pipkin FB. The maternal cerebral circulation in pre-eclampsia: investigations using Laplace transform analysis of Doppler waveforms [J]. Br J Obstet Gynaecol, 2000,107:492-500.
6Belfort MA, Saade GR, Yared M, et al. Change in estimated cerebral perfusion pressure after treatment with nimodipine or magnesium sulfate in patients with preeclampsia [J]. Am J Obstet Gynecol,1999,181:402-407.
7Williams K, Galerneau F. Maternal cerebral vasospasm in eclampsia assessed by transcranial Doppler [J] . Am Perinato,1993,10(3):243-244.
8Aaslid R, Lundar T, Lindegaard KF, et al. Estimation of cerebral perfusion pressure from arterial blood pressure and transcranial Doppler recordings. In: Miller JD, ed. Intracranial Pressure [M].6th ed. Berlin : Springer-Verlag,1986.226-229.
9Belfort MA, Saade GR, Grunewald C, et al. Association of cerebral perfusion pressure with headache in women with pre-eclampsia [J]. Br J Obstet Gynaecol,1999,106:814-821.
10Williams KP, Wilson S.Variation in cerebral perfusion pressure with different hypertensive states in pregnancy [J]. Am J Obstet Gynecol,1998,179(5):1200-1203.